GM LM4 T56 Engine Parts

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Derek kicks off his 55 Chevy rebuild with a fresh small block.

Not only is Greg Turner's '56 a great driver, it's full of great family memories. Built in the home garage by Greg and his sons, this clean Chevy has covered a lot of miles.

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Check out Marc and Kelly's LS-powered '56 Chevy Homebuilt Heaven award-winning hauler!

Derek's 55 refresh continues with some much needed rust repair.

This year, the Speedway Motors SEMA booth will host Ron Ernsberger's radical Willys built by the Tin Man's Garage. It's a Hemi-powered hot rod with some classic street rod elegance thrown in, and there's much more going on here than meets the eye...